Glycolysis
Most energy that enters the electron transport chain comes from the oxidation of glucose during glycolysis and the citric acid cycle. This energy is then transferred to the electron carriers NADH and FADH2, which deliver the electrons to the electron transport chain to generate ATP through oxidative phosphorylation.
NADH and FADH2 are the molecules that carry high-energy electrons into the electron transport chain. These molecules are produced during glycolysis and the citric acid cycle and donate their electrons to the chain to generate ATP through oxidative phosphorylation.
Actually glucose is what sugar turns in to during glycolysis.
The electron carrier molecules of aerobic respiration are NADH and FADH2. These molecules transport electrons from the citric acid cycle and glycolysis to the electron transport chain in the mitochondria, where ATP is produced through oxidative phosphorylation.
Glycolysis
FADH2 since pyruvic acid is needed to START the Krebs cycle
During the Krebs cycle, pyruvic acid from glycolysis is used to make carbon dioxide, NADH, ATP, and FADH2.
ATP, NADH, FADH2, and CO2
During the Krebs cycle, pyruvic acid from glycolysis is used to make carbon dioxide, NADH, ATP, and FADH2.
ATP, NADH, FADH2, and CO2 XOXOMANSIXOXO
it gets electrons[2 eletrons from NADH and 2 electrons from FADH2] from NADH and FADH2....In case of NADH- it is directly from glycolysis but in case of FADH2-it is not directly attached to ETC but succinate is oxidised to fumarate realising FADH2
Pyruvic acid is made during glycolysis and is later used in fermentation.
e) ATP is not made during any of the processes. ATP is produced in both glycolysis (2 ATP) and the electron transport chain (ETC) in cellular respiration. The Krebs cycle (citric acid cycle) produces some ATP indirectly through the generation of NADH and FADH2, which then feed into the ETC for ATP production.
NADH and FADH2 donate electrons to the electron transport chain at the lowest energy level during aerobic respiration. These molecules are produced during earlier stages of cellular respiration (glycolysis and the citric acid cycle) and deliver high-energy electrons to the electron transport chain for ATP production.
Water is not a final product of aerobic cellular respiration. The final products are carbon dioxide and water.
Glycolysis->Krebs Cycle->Electron Transfer